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BOSTON MARATHON 2023

Katherine Fearey

Bib: 29556•F

MA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 44%
Gender (Female)
#0 / 11423
Top 26%
Division (F18-39)
#0 / 4884
Top 44%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:10
Rank: #14716
Start → 5K
25:10 | 8:06/mi
10K· 6.21 mi
49:30
Rank: #14127 (+589)
5K → 10K
24:20 | 7:50/mi
15K· 9.32 mi
1:14:01
Rank: #13914 (+213)
10K → 15K
24:31 | 7:53/mi
20K· 12.43 mi
1:38:31
Rank: #13524 (+390)
15K → 20K
24:30 | 7:53/mi
Half· 13.11 mi
1:43:53
Rank: #13515 (+9)
20K → Half
5:22 | 7:52/mi
25K· 15.53 mi
2:03:04
Rank: #13250 (+265)
Half → 25K
19:11 | 7:55/mi
30K· 18.64 mi
2:27:58
Rank: #12801 (+449)
25K → 30K
24:54 | 8:01/mi
20M
2:38:54
Rank: #12594 (+207)
30K → 20M
10:56 | 8:03/mi
21M
2:47:08
Rank: #12325 (+269)
20M → 21M
8:14 | 8:14/mi
35K· 21.75 mi
2:53:03
Rank: #12285 (+40)
21M → 35K
5:55 | 7:55/mi
23M
3:03:09
Rank: #12160 (+125)
35K → 23M
10:06 | 8:04/mi
24M
3:11:02
Rank: #12073 (+87)
23M → 24M
7:53 | 7:53/mi
40K· 24.85 mi
3:17:47
Rank: #11950 (+123)
24M → 40K
6:45 | 7:54/mi
25.2M
3:20:39
Rank: #11877 (+73)
40K → 25.2M
2:52 | 8:19/mi
Finish· 26.22 mi
3:28:24
Rank: #11758 (+119)
25.2M → Finish
7:45 | 7:36/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:43:53
Pace7:55 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:44:31
Pace7:58 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:42:2825:108:0625:10
8:06
-
10K
6.21 mi12:06:4849:307:5824:20
7:50
-0:16
15K
9.32 mi12:31:191:14:017:5624:31
7:53
+0:03
20K
12.43 mi12:55:491:38:317:5624:30
7:53
0:00
Half
13.11 mi13:01:111:43:537:555:22
7:52
-0:01
25K
15.53 mi13:20:222:03:047:5519:11
7:55
+0:03
30K
18.64 mi13:45:162:27:587:5624:54
8:01
+0:06
20M
20.00 mi13:56:122:38:547:5710:56
8:03
+0:02
21M
21.00 mi14:04:262:47:087:588:14
8:14
+0:11
35K
21.75 mi14:10:212:53:037:575:55
7:55
-0:19
23M
23.00 mi14:20:273:03:097:5810:06
8:04
+0:09
24M
24.00 mi14:28:203:11:027:587:53
7:53
-0:11
40K
24.85 mi14:35:053:17:477:576:45
7:54
+0:01
25.2M
25.20 mi14:37:573:20:397:582:52
8:19
+0:25
Finish
26.22 mi14:45:423:28:247:577:45
7:36
-0:43

Checkpoints & Pacing

📈Pace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

7:36 /mi

Average Pace

7:57 /mi

Slowest Pace

8:19 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:06:12

61% of race

Time at Steady Pace

1:22:12

39% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:57 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

🎨Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

Loading...
0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Click or hover over segments to see details

✨Sparklines

Checkpoint Splits with Pace Trends

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:42:2825:108:0625:10
8:06
#14716
10K
6.21 mi12:06:4849:307:5824:20
7:50
#14127
15K
9.32 mi12:31:191:14:017:5624:31
7:53
#13914
20K
12.43 mi12:55:491:38:317:5624:30
7:53
#13524
Half
13.11 mi13:01:111:43:537:555:22
7:52
#13515
25K
15.53 mi13:20:222:03:047:5519:11
7:55
#13250
30K
18.64 mi13:45:162:27:587:5624:54
8:01
#12801
20M
20.00 mi13:56:122:38:547:5710:56
8:03
#12594
21M
21.00 mi14:04:262:47:087:588:14
8:14
#12325
35K
21.75 mi14:10:212:53:037:575:55
7:55
#12285
23M
23.00 mi14:20:273:03:097:5810:06
8:04
#12160
24M
24.00 mi14:28:203:11:027:587:53
7:53
#12073
40K
24.85 mi14:35:053:17:477:576:45
7:54
#11950
25.2M
25.20 mi14:37:573:20:397:582:52
8:19
#11877
Finish
26.22 mi14:45:423:28:247:577:45
7:36
#11758
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi147164461446113458(Top 51%)3753(Top 33%)3753(Top 77%)
10K6.21 mi3.10 mi14127+5894115+3464115+34613409(Top 50%)3659(Top 32%)3659(Top 75%)
15K9.32 mi3.11 mi13914+2134006+1094006+10913458(Top 51%)3753(Top 33%)3753(Top 77%)
20K12.43 mi3.11 mi13524+3903795+2113795+21112504(Top 47%)3258(Top 29%)3258(Top 67%)
Half13.11 mi0.68 mi13515+93791+43791+413319(Top 50%)3668(Top 32%)3668(Top 75%)
25K15.53 mi2.42 mi13250+2653649+1423649+14212022(Top 45%)3086(Top 27%)3086(Top 63%)
30K18.64 mi3.11 mi12801+4493430+2193430+21911032(Top 41%)2660(Top 23%)2660(Top 54%)
20M20.00 mi1.36 mi12594+2073331+993331+9910632(Top 40%)2558(Top 22%)2558(Top 52%)
21M21.00 mi1.00 mi12325+2693186+1453186+1458838(Top 33%)1865(Top 16%)1865(Top 38%)
35K21.75 mi0.75 mi12285+403185+13185+111496(Top 43%)3136(Top 27%)3136(Top 64%)
23M23.00 mi1.25 mi12160+1253146+393146+3910262(Top 39%)2633(Top 23%)2633(Top 54%)
24M24.00 mi1.00 mi12073+873123+233123+2310435(Top 39%)2801(Top 25%)2801(Top 57%)
40K24.85 mi0.85 mi11950+1233071+523071+529357(Top 35%)2339(Top 20%)2339(Top 48%)
25.2M25.20 mi0.35 mi11877+733035+363035+368497(Top 32%)2048(Top 18%)2048(Top 42%)
Finish26.22 mi1.02 mi11758+1192988+472988+479341(Top 35%)2399(Top 21%)2399(Top 49%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 51%
×21stories
+97ft-345ft

Overall

13458

Females

3753

F18-39

3753

5K→10K

3.1 - 6.2 mi

Top 50%
×5stories
+79ft-138ft

Overall

13409

Females

3659

F18-39

3659

10K→15K

6.2 - 9.3 mi

Top 51%
×3stories
+67ft-78ft

Overall

13458

Females

3753

F18-39

3753

15K→20K

9.3 - 12.4 mi

Top 47%
×5stories
+106ft-86ft

Overall

12504

Females

3258

F18-39

3258

20K→Half

12.4 - 13.1 mi

Top 50%
×2stories
+19ft-37ft

Overall

13319

Females

3668

F18-39

3668

Half→25K

13.1 - 15.5 mi

Top 45%
×4stories
+66ft-88ft

Overall

12022

Females

3086

F18-39

3086

25K→30K

15.5 - 18.6 mi

Top 41%
×9stories
+181ft-148ft

Overall

11032

Females

2660

F18-39

2660

30K→20M

18.6 - 20.0 mi

Top 40%
×5stories
+64ft-50ft

Overall

10632

Females

2558

F18-39

2558

20M→21M

20.0 - 21.0 mi

Top 33%
×8stories
+106ft-24ft

Overall

8838

Females

1865

F18-39

1865

21M→35K

21.0 - 21.8 mi

Top 43%
×7stories
+17ft-86ft

Overall

11496

Females

3136

F18-39

3136

35K→23M

21.8 - 23.0 mi

Top 39%
×5stories
+23ft-63ft

Overall

10262

Females

2633

F18-39

2633

23M→24M

23.0 - 24.0 mi

Top 39%
×6stories
+12ft-82ft

Overall

10435

Females

2801

F18-39

2801

24M→40K

24.0 - 24.9 mi

Top 35%
×1story
+6ft-20ft

Overall

9357

Females

2339

F18-39

2339

40K→25.2M

24.9 - 25.2 mi

Top 32%
×1story
+13ft-16ft

Overall

8497

Females

2048

F18-39

2048

25.2M→Finish

25.2 - 26.2 mi

Top 35%
×2stories
+22ft-21ft

Overall

9341

Females

2399

F18-39

2399

Passing Analysis

Category:
Athletes Passed
3418
Passed By
460
Net Change
+2958
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14716
5K → 10K695106+589#14716#14127
10K → 15K30693+213#14127#13914
15K → 20K41727+390#13914#13524
20K → Half3829+9#13524#13515
Half → 25K29126+265#13515#13250
25K → 30K47627+449#13250#12801
30K → 20M22821+207#12801#12594
20M → 21M2701+269#12594#12325
21M → 35K6525+40#12325#12285
35K → 23M16136+125#12285#12160
23M → 24M11528+87#12160#12073
24M → 40K13714+123#12073#11950
40K → 25.2M774+73#11950#11877
25.2M → Finish14223+119#11877#11758
TOTALS3418460+2958
📊

Passing Visuals

Category:
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🔥Passing Intensity

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing